<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script type="text/javascript">
	function celciusTofahrenheit (celcius)
	{
		var celciusInc = (celcius*9)/5 + 32;
		console.log(celcius + 'c is' + celciusInc + 'f');
	}
	function fahrenheitToCelcius (fahrenheit)
	{
		var fahrenheitInc = ((fahrenheit-32)*5)/9;
		console.log(fahrenheit + 'f is ' + fahrenheitInc + 'c');
	}
</script>
		
<title>Documento sin título</title>
</head>
<form>
celcius : <input type="text" id="celcius" />

<input type="button" value="click" onclick="celciusTofahrenheit(document.getElementById('celcius').value);"/>

fahrenheit : <input type="text" id="fahrenheit" />
<input type="button" value="click" onclick="fahrenheitToCelsius(document.getElementById('fahrenheit').value);"/>
</form>


<body>
</body>
</html>
